<!DOCTYPE HTML>
<html>
<!--
https://bugzilla.mozilla.org/show_bug.cgi?id=74880
-->
<head>
  <title>Test for Bug 74880</title>
  <script type="text/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>        
  <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css" />
  <style type="text/css">

  /* so that computed values for other border properties work right */
  #display { border-style: solid; }

  </style>
</head>
<body>
<a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=74880">Mozilla Bug 74880</a>
<div style="margin: 1px 2px 3px 4px; border-width: 5px 6px 7px 8px; border-style: dotted dashed solid double; border-color: blue fuchsia green orange; padding: 9px 10px 11px 12px">
<p id="display"></p>
</div>
<div id="content" style="display: none">
  
</div>
<pre id="test">
<script class="testbody" type="text/javascript">

/** Test for Bug 74880 **/

var gProps = [
  [ "margin-left", "margin-right", "margin-inline-start", "margin-inline-end" ],
  [ "padding-left", "padding-right", "padding-inline-start", "padding-inline-end" ],
  [ "border-left-color", "border-right-color", "border-inline-start-color", "border-inline-end-color" ],
  [ "border-left-style", "border-right-style", "border-inline-start-style", "border-inline-end-style" ],
  [ "border-left-width", "border-right-width", "border-inline-start-width", "border-inline-end-width" ],
];

var gLengthValues = [ "inherit", "initial", "2px", "1em" ];
var gColorValues = [ "inherit", "initial", "currentColor", "green" ];
var gStyleValues = [ "inherit", "initial", "double", "dashed" ];

if (SpecialPowers.getBoolPref("layout.css.unset-value.enabled")) {
  gLengthValues.push("unset");
  gColorValues.push("unset");
  gStyleValues.push("unset");
}

function values_for(set) {
  var values;
  if (set[0].match(/style$/))
    values = gStyleValues;
  else if (set[0].match(/color$/))
    values = gColorValues;
  else
    values = gLengthValues;
  return values;
}

var e = document.getElementById("display");
var s = e.style;
var c = window.getComputedStyle(e, "");

for (var set of gProps) {
  var values = values_for(set);
  for (var val of values) {
    function check(dir, plogical, pvisual) {
      var v0 = c.getPropertyValue(pvisual);
      s.setProperty("direction", dir, "");
      s.setProperty(pvisual, val, "");
      var v1 = c.getPropertyValue(pvisual);
      if (val != "initial" && val != "unset" && val != "currentColor")
        isnot(v1, v0, "setProperty set the property " + pvisual + ": " + val);
      s.removeProperty(pvisual);
      is(c.getPropertyValue(pvisual), v0, "removeProperty worked for " + pvisual);
      s.setProperty(plogical, val, "")
      var v2 = c.getPropertyValue(pvisual);
      is(v2, v1, "the logical property " + plogical + ": " + val + " showed up in the right place");
      s.removeProperty(plogical);
      is(c.getPropertyValue(pvisual), v0, "removeProperty worked for " + plogical);

      s.removeProperty("direction");
    }

    check("ltr", set[2], set[0]);
    check("ltr", set[3], set[1]);
    check("rtl", set[2], set[1]);
    check("rtl", set[3], set[0]);
  }

  function check_cascading(dir, plogical, pvisual) {
    var dirstr = "direction: " + dir + ";";
    e.setAttribute("style", dirstr + pvisual + ":" + values[2]);
    var v2 = c.getPropertyValue(pvisual);
    e.setAttribute("style", dirstr + pvisual + ":" + values[3]);
    var v3 = c.getPropertyValue(pvisual);
    isnot(v2, v3, "values should produce different computed values");

    var desc = ["cascading for", pvisual, "and", plogical, "with direction", dir].join(" ");
    e.setAttribute("style", dirstr + pvisual + ":" + values[3] + ";" +
                            plogical + ":" + values[2]);
    is(c.getPropertyValue(pvisual), v2, desc);
    e.setAttribute("style", dirstr + plogical + ":" + values[3] + ";" +
                            pvisual + ":" + values[2]);
    is(c.getPropertyValue(pvisual), v2, desc);
    e.setAttribute("style", dirstr + pvisual + ":" + values[2] + ";" +
                            plogical + ":" + values[3]);
    is(c.getPropertyValue(pvisual), v3, desc);
    e.setAttribute("style", dirstr + plogical + ":" + values[2] + ";" +
                            pvisual + ":" + values[3]);
    is(c.getPropertyValue(pvisual), v3, desc);
    e.removeAttribute("style");
  }

  check_cascading("ltr", set[2], set[0]);
  check_cascading("ltr", set[3], set[1]);
  check_cascading("rtl", set[2], set[1]);
  check_cascading("rtl", set[3], set[0]);
}


</script>
</pre>
</body>
</html>

